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प्रश्न
Write the expression for calculating the moment of force about a given point.

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उत्तर
Moment of a force about the point O
= Force × Perpendicular distance of force from the point O
= F × OP
संबंधित प्रश्न
State the effect of force F in of the following diagram.

Give two examples of a couple's actions in our daily life.
A nut is opened by a wrench of length 10 cm. if the least force required is 5.0 N. find the moment of force needed to turn the nut.
The figure shows two forces each of magnitude 10 N acting at the point A and B at a separation of 50 cm, in opposite directions. Calculate the resultant moment of two forces about the point.
- A,
- B and
- O situated exactly at the middle of the two forces.

Define the moment of force.
What is the work done when no net force is applied on the body?
State whether the moment of force is a scalar or vector quantity?
The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the total clockwise moment about O

Define non-contact forces.
Give any two effects of a force on a non-rigid body.
